常用数据源和连接器

maven依赖

<!-- https://mvnrepository.com/artifact/com.alibaba/druid -->
<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>druid</artifactId>
    <version>${druid-version}</version>
</dependency>
<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>${mysql-version}</version>
</dependency>

config.properties或db.properties

jdbc.driverClassName=com.mysql.cj.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai&useSSL=false&allowPublicKeyRetrieval=true
jdbc.username=
jdbc.password=

druid官方文档https://github.com/alibaba/druid/wiki/常见问题

druid配置博文https://www.cnblogs.com/wuyun-blog/p/5679073.html